Nitrogen has developed a pair of men's sports sunglasses that are designed to hold up to tough and rough usage on a regular basis. Trust your eyes to these fine shades when you're playing your favorite sport or participating in any outdoor activity. The frame is made of strong plastic and comes in various colors and patterns in the dozen. The arms are thin and straight back to the ear and feature the Nitrogen logo displayed on the side. The lenses are large and oval and are designed to offer maximum protection to your eyes.